Immune System (2)

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 5. A person who is ___ to a particular infection (6)
  2. 6. An illness that harms the body (7)
  3. 7. Any of a large variety of proteins normally present in the body or produced in response to (8)
  4. 9. Chemical agent capable of ___ (6)
  5. 10. Any disease-producing agent (plural) (9)
  6. 11. The condition in which an organism can resist disease (8)

Down

  1. 1. Instrumentality that combines interrelated interacting artifacts designed to work as a coherent (6)
  2. 2. The voice used to indicate that the grammatical subject of the verb is the recipient of the action (7)
  3. 3. Either of two masses of lymphatic tissue one on each side of the oral pharynx (plural) (7)
  4. 4. Any substance that stimulates an immune response in the body (7)
  5. 8. Tiny single-celled living things, some of which cause illness (8)